Support stand



FIG. 1 is a front left top isometric view of a support stand showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a view like the view of FIG. 1 showing non-claimed environmental structure.

The broken dash lines in the drawings depict portions of the invention that form no part of the claimed design. Neither the portions of the invention shown in broken dash line nor the broken dash lines themselves form any part of the claimed invention. The broken dot dash lines in FIG. 8 are for illustrative purposes only and represent non-claimed environmental subject matter. Neither the environmental subject matter shown in broken dot dash line nor the broken dot dash lines themselves form any part of the claimed invention. 

CLAIM The ornamental design for a support stand, as shown and described. 